Which Statement Most Closely Represents the Diversity of Animal Patterns

question 3

Multiple Choice

Which statement most closely represents the diversity of animal patterns resulting from the Cambrian time period?

• A) The Cambrian saw the first animal ancestor; all animal architecture dates back to these fossils.
• B) About 34 phyla evolved by the end of the Cambrian and there are now perhaps 100 phyla that have radiated from them.
• C) About 100 phyla evolved by the end of the Cambrian and there are now about 34 surviving animal phyla.
• D) Through the Cambrian, only non-animal ancestors existed, but after that time nearly 100 phyla evolved.

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Definitions:

GDP

Gross Domestic Product, a measure of the total economic output of a country within a specific time period.

Net Exports

The difference between a country's total value of exports and its total value of imports.

Economic Well-Being

The level of prosperity and standard of living enjoyed by an individual, group, or nation, often measured through indicators like income, poverty rates, and unemployment.

GDP Deflator

A metric for assessing the price rates of all freshly created, domestic final goods and services in an economy.